package com.kob.backend.service.impl.user.account;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.kob.backend.mapper.UserMapper;
import com.kob.backend.pojo.User;
import com.kob.backend.service.user.account.RegisterService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class RegisterServiceImpl implements RegisterService {
    @Autowired
    private UserMapper userMapper;

    @Autowired
    private PasswordEncoder passwordEncoder;
    @Override
    public Map<String, String> register(String username, String password, String confirmedPassword) {
        Map<String,String> map=new HashMap<>();
        if(username==null){
            map.put("error_massage","用户名不能为空");
            return map;
        }
        if(password==null|| confirmedPassword==null)
        {
            map.put("error_massage","密码不能为空");
            return map;
        }
        username=username.trim();
        if(username.length()==0)
        {
            map.put("error_massage","用户名不能为空");
            return map;
        }
        if(password.length()==0||confirmedPassword.length()==0)
        {
            map.put("error_massage","密码不能为空");
            return map;
        }
        if(username.length()>100)
        {
            map.put("error_massage","用户名长度不能大于100");
            return map;
        }
        if(password.length()>100|| confirmedPassword.length()>100)
        {
            map.put("error_massage","密码长度不能大于100");
            return map;
        }
        if(!password.equals(confirmedPassword))
        {
            map.put("error_massage","两次输入的密码不一致");
            return map;
        }

        QueryWrapper<User> queryWrapper=new QueryWrapper<>();
        queryWrapper.eq("username",username);
        List<User> students=userMapper.selectList(queryWrapper);
        if(!students.isEmpty())
        {
            map.put("error_massage","用户名已存在");
            return map;
        }
        String encodedPassword=passwordEncoder.encode(password);
        String photo="https:https://cdn.acwing.com/media/user/profile/photo/86439_lg_f8ffa87c94.jpg";
        User user=new User(null,username,encodedPassword,photo,1500);
        userMapper.insert(user);
        map.put("error_massage","成功");
        return map;
    }
}
